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This device is indicated for use in adult and adolescent populations to endoscopically dilate strictures of the gastrointestinal tract. It is also indicated in adults for endoscopic dilatation of Sphincter of Oddi with or without prior sphincterotomy.

According to the structure of the device, it can be divided into three types, RX type, OTW type and OTW with Stainless Wire-guided type. The Rx proposed device mainly consists of tip, balloon, marker band, shaft, sleeve, stress diffusion tube and hub. The OTW proposed device mainly consists of tip, balloon, marker band, shaft, stress diffusion tube and hub. The structure of the OTW with Stainless Wire-guided model same with the structure of OTW model. The difference between OTW with Stainless Wire-guided type catheter and OTW type catheter is that OTW with Stainless Wire-guided type catheter is preloaded with a guide wire and a guide wire locking component. The difference between the RX type catheter and the OTW series catheter is that the guidewire exit position is different. The guide wire of OTW series catheter passed through the guide wire lumen of the catheter. The guidewire of the Rx type catheter will pass through the guidewire exchange port on the shaft. Single-use Balloon Dilatation Catheter is divided into different specifications. Shafts are available in two different diameters. The effective length of the catheter is 180cm and 240cm. Balloon diameters are available in six different diameters 6-7-8mm, 8-9-10 mm, 12-13.5-15 mm, 15-16.5-18 mm, 18-19-20 mm, and the balloon lengths are available in 30 mm,55 mm and 80 mm three different length.

The device is designed to be used with an Endoscope to deliver a Ligation Loop designed to control bleeding following polypectomy of pedunculated polyps.

The Ligation Device is sterile and single-use, which consists of two main components, ligation loop and delivery system. And these two components provided in different sizes to consist different specifications of ligation device.